| a scrap or morsel of food left at a meal. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
collateral col·lat·er·al (kə-lāt'ər-əl)
adj.
Indirect, subsidiary, or accessory to the main thing.
Having an ancestor in common but descended from a different line.
A branch of a nerve axon or blood vessel.
A collateral relative.